30 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_open()  local
33 	if (unlikely(!parent->ops->open))  in vfio_mdev_open()
39 	ret = parent->ops->open(mdev);  in vfio_mdev_open()
49 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_release()  local
51 	if (likely(parent->ops->release))  in vfio_mdev_release()
52 		parent->ops->release(mdev);  in vfio_mdev_release()
61 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_unlocked_ioctl()  local
63 	if (unlikely(!parent->ops->ioctl))  in vfio_mdev_unlocked_ioctl()
66 	return parent->ops->ioctl(mdev, cmd, arg);  in vfio_mdev_unlocked_ioctl()
73 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_read()  local
75 	if (unlikely(!parent->ops->read))  in vfio_mdev_read()
78 	return parent->ops->read(mdev, buf, count, ppos);  in vfio_mdev_read()
85 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_write()  local
87 	if (unlikely(!parent->ops->write))  in vfio_mdev_write()
90 	return parent->ops->write(mdev, buf, count, ppos);  in vfio_mdev_write()
96 	struct mdev_parent *parent = mdev->parent;  in vfio_mdev_mmap()  local
98 	if (unlikely(!parent->ops->mmap))  in vfio_mdev_mmap()
101 	return parent->ops->mmap(mdev, vma);  in vfio_mdev_mmap()